fuel filter/pump on 2002 Nissan Altima

how do you know where your fuel filter is located and how do youm know if yours filter or pump

Asked by for the 2002 Nissan Altima
On 2002 & later models, Filter & pump are one unit located in fuel tank. Pressure test the fuel system. This could tell you if the filter is clogged, or if the pump is bad. If pressure is low the whole unit will have to be replaced.